For Mac users:
This article is aimed at showing you the easy way to enjoy DVD and Video on your portable devices.
What you need is iSkysoft DVD Ripper Pack for Mac (http://www.mac-video-converter.com/dvd-ripper-pack-mac.html)
The following content includes two parts:
Part 1: How to rip DVD on Mac OS X with iSkysoft DVD Ripper Pack for Mac

Make preparation: Download and install iSkysoft DVD Ripper Pack for Mac(Intel Version (http://www.mac-video-converter.com/download/dvd-ripper-pack/isky-dvd-pack-intel.dmg) or Power PC Version (http://www.mac-video-converter.com/download/dvd-ripper-pack/isky-dvd-pack-powerpc.dmg))

Step 2: Output setting
Set the output format you want from the “Profile” drop-down list.
Click “Settings” button to open the Settings window and set video resolution, frame rate, bit rate, encoder, etc. iSkysoft DVD Ripper for mac lets you extract audio from DVD movie to MP3 or AAC, etc.for web using or other portable players. You can set audio resolution, frame rate, bit rate and encoder on the “Settings” panel.
Step 3: Cilck “Convert” button to start your conversion
Waiting a short while, the conversion will be finished.

More editing functions
1.Trim
Click the “Trim” button to to trim the current title or chapter by dragging the Start Time slider to set the start time, and dragging the End Time slider to set the finish time. Then you can only rip segments from dvd on mac.

http://www.mac-video-converter.com/images/guide/trim-n2.jpg

2.Crop
If you want to remove the black edges or just convert an area from your movie video, you can click “Crop” button to crop the video of the current title or chapter. You can specify an area either by dragging the frame around the video or setting the crop values: Top, Button, Left and Right.

http://www.mac-video-converter.com/images/guide/crop-n2.jpg

3.Capture pictures
With this program, you can preview the movie in the preview window on the left of the main interface.
While previewing the movie, you can capture pictures by clicking “Snapshot” button. Click the Snapshot Folder button to open the folder where the captured pictures are saved. You can also specify the folder where to save the pictures. Choose a format (JPEG and BMP) for the captured pictures to be saved as. Then Click Ok to finish the settings. You can find the pictures in the the folder you specified.
4.Effect
If you want to adjust the video effect of your movie, you can click “Effect” button and drag each effect adjustment slider to set the video brightness, contrast, saturation and video volume. You can also choose a special effect from the Effect drop-down list to apply to your movie.

http://www.mac-video-converter.com/images/guide/effect-n2.jpg

Part 2: How to Convert video with iSkysoft DVD Ripper Pack for Mac

Step 1: Select and run "Video Converter for mac" and then click “Add File” button to add your video.
Step 2. Output format and Settings
From the “Profile” drop-down list you can find one format that meets your requirement.
To have your own video settings you can click “settings” button.
After doing the 2 steps above, you can click “Converter” button to start conversion.

http://www.mac-video-converter.com/images/guide/addfiles-n2.jpg

If you want to edit the videos, the functons such as "Capture your favorite picture", "Crop video", "Video Effecting","Trim video","Merge videos into one file" are also available and very easy to use.